Table 4.
Total metabolic active tumour volume repeatability for different tracer uptake intervals, reconstruction settings, and lesion delineation methods
| Method | 60 min of uptake | 90 min of uptake | ||||
|---|---|---|---|---|---|---|
| TRT (RC) | TRT% (RC%) | ICC | TRT (RC) | TRT% (RC%) | ICC | |
| EARL | ||||||
| SUV25 | 29.7 (211) | 5.9 (51) | 0.93 | 9.4 (35) | 3.7 (15) | 1.00 |
| SUV40 | 2.5 (44) | 1.0 (31) | 0.99 | 3.5 (17) | 7.9 (32) | 1.00 |
| 41MAX | 4.5 (35) | 7.8 (45) | 0.99 | 6.5 (30) | 3.0 (14) | 1.00 |
| A50P | 0.4 (38) | 5.9 (49) | 0.92 | 16.2 (77) | 10.5 (37) | 0.83 |
| MV2 | 9.4 (48) | 9.3 (44) | 0.99 | 5.4 (24) | 3.5 (15) | 1.00 |
| MV3 | − 4.2 (36) | 1.2 (39) | 0.94 | 15.7 (78) | 9.1 (38) | 0.83 |
| RD | − 5.7 (82) | − 9.8 (61) | 0.96 | |||
| PSF | ||||||
| SUV25 | 46.0 (171) | 14.9 (44) | 0.95 | 139.5 (738) | 14.4 (63) | 0.65 |
| SUV40 | 3.4 (23) | 1.8 (29) | 1.00 | 3.8 (19) | 5.6 (22) | 1.00 |
| 41MAX | 3.2 (17) | 6.9 (35) | 1.00 | 17.4 (92) | 6.2 (30) | 0.92 |
| A50P | 2.1 (15) | 0.2 (19) | 0.99 | 5.7 (19) | 8.2 (21) | 0.98 |
| MV2 | 5.4 (25) | 3.0 (35) | 1.00 | 14.5 (75) | 5.6 (22) | 0.98 |
| MV3 | 2.8 (14) | 3.1 (18) | 1.00 | 3.7 (20) | 3.9 (21) | 0.98 |
Average and repeatability coefficient of total metabolic active tumour volume (TMATV) repeatability for different tracer uptake intervals, reconstruction settings, and lesion delineation methods, including the corresponding ICC. TRT in mL and TRT% in percentage